[INFO] fetching crate bit_reverse 0.1.8...
[INFO] checking bit_reverse-0.1.8 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bit_reverse 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bit_reverse 0.1.8 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit_reverse 0.1.8
[INFO] finished tweaking crates.io crate bit_reverse 0.1.8
[INFO] tweaked toml for crates.io crate bit_reverse 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b256e6025fed7042d394a171f6584d2fa195cd8d6eb00118e5e2f55ed66dd5c
[INFO] running `Command { std: "docker" "start" "-a" "4b256e6025fed7042d394a171f6584d2fa195cd8d6eb00118e5e2f55ed66dd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b256e6025fed7042d394a171f6584d2fa195cd8d6eb00118e5e2f55ed66dd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b256e6025fed7042d394a171f6584d2fa195cd8d6eb00118e5e2f55ed66dd5c", kill_on_drop: false }`
[INFO] [stdout] 4b256e6025fed7042d394a171f6584d2fa195cd8d6eb00118e5e2f55ed66dd5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14369b8f67aa8c05fafd75953b27cc836d482fbc16c9939ea15a7880a3959294
[INFO] running `Command { std: "docker" "start" "-a" "14369b8f67aa8c05fafd75953b27cc836d482fbc16c9939ea15a7880a3959294", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking bit_reverse v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]   --> src/bitwise.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::core;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate std as core;
[INFO] [stdout]    | ------------------------- the item `core` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `core` is imported redundantly
[INFO] [stdout]   --> src/bitwise.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::core;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern crate std as core;
[INFO] [stdout]    | ------------------------- the item `core` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "14369b8f67aa8c05fafd75953b27cc836d482fbc16c9939ea15a7880a3959294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14369b8f67aa8c05fafd75953b27cc836d482fbc16c9939ea15a7880a3959294", kill_on_drop: false }`
[INFO] [stdout] 14369b8f67aa8c05fafd75953b27cc836d482fbc16c9939ea15a7880a3959294
